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About
Diamond Blue Sky ThermalTech is a full-service HVAC contractor based in St. Louis, Missouri. Since 1963, we have built a reputation for honest, dependable service. Whether you need a new furnace installation, air conditioner repair, or a complete HVAC system upgrade, our factory-trained technicians are ready to help.
Services
- AC Repair
- Duct Cleaning
- Heating Repair
- Indoor Air Quality
- Preventive Maintenance
- Ventilation
Brands We Work With
BS
Bosch
website.com
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CR
Carrier
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RD
Ruud
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Credentials
- License: LIC-64963-US Verified(Missouri DED)
- Insurance: Verified
- Background check: Passed
- Employees: 6-10
- Service radius: 47 km
Reviews (3)
- ★★★★★Very professional
Outstanding customer service from start to finish. Diamond Blue Sky ThermalTech went above and beyond to make sure we were comfortable.
- ★★★★★Highly recommend
Outstanding customer service from start to finish. Diamond Blue Sky ThermalTech went above and beyond to make sure we were comfortable.
- ★★★★★Friendly and efficient
Had Diamond Blue Sky ThermalTech come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.